CN108269536A - Organic light emitting display panel and the organic light-emitting display device including the display panel - Google Patents

Organic light emitting display panel and the organic light-emitting display device including the display panel Download PDF

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Publication number
CN108269536A
CN108269536A CN201711394890.9A CN201711394890A CN108269536A CN 108269536 A CN108269536 A CN 108269536A CN 201711394890 A CN201711394890 A CN 201711394890A CN 108269536 A CN108269536 A CN 108269536A
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transistor
grid
organic light
signal
nodes
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Granted
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CN201711394890.9A
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CN108269536B (en
Inventor
崔祐硕
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LG Display Co Ltd
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LG Display Co Ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266—Details of drivers for scan electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G—PHYSICS
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • G—PHYSICS
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    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0202—Addressing of scan or signal lines
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    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243—Details of the generation of driving signals
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    • G—PHYSICS
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    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Control Of El Displays (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

A kind of organic light emitting display panel and the organic light-emitting display device including the display panel are disclosed.Display panel includes：Display area, multiple pixels and the non-display area on the outside of display area, each pixel including showing image include：Switching transistor is connected to gate line and data line；Driving transistor is connected to Organic Light Emitting Diode and switching transistor；The lighting transistor of driving transistor is connected to, gate drivers include multiple grades, and n-th grade includes：It pulls up transistor, grid impulse is exported to the n-th gate line；Pull-down transistor exports grid low signal to the n-th gate line；Selection signal generator is connected to the grid of pull-up and pull-down transistor；Controlling transistor is written, it is arranged between pull-down transistor and selection signal generator, it is connected between QB nodes and low level node, by write control signal on or off, QB nodes are connected to the lighting transistor that each pixel being connect with the n-th+a gate lines includes.

Description

Organic light emitting display panel and the organic light-emitting display device including the display panel
Cross reference to related applications
This application claims the equity of the South Korea patent application No.10-2016-0184470 submitted December 30 in 2016.
Technical field
It is filled the present invention relates to a kind of organic light emitting display panel with the organic light emitting display including organic light emitting display panel It puts.
Background technology
FPD (FPD) device be applied to various electronic products, such as portable phone, tablet PC (PC), Notebook PC etc..The example of FPD devices (hereinafter referred to as display device) includes liquid crystal display (LCD) device, organic light emission Display device etc..Recently, electrophoretic display apparatus (EPD) is widely used as a kind of FPD devices.
As a kind of FPD devices (hereinafter referred to as display device), organic light-emitting display device has 1ms or shorter Fast response time and low-power consumption, thus cause many concerns as next generation display device.
Fig. 1 is that diagram is applied to the gate drivers of organic light emitting display panel of the relevant technologies and showing for emission driver Illustration.
Gate drivers 10 for generating grid signal VG1 to the VGg provided by gate line should be set and be used for The emission driver 20 of LED control signal EM1 to EMg is generated, to perform internal compensation to organic light-emitting display device.
Gate drivers 10 include multiple grades of Stage1 to Stage g, and in order to generate grid signal VG1 to VGg, need Want two or more gate clocks GCLK.
Emission driver 20 includes multiple grades of Stage1 to Stage g, and is arrived to generate LED control signal EM1 EMg needs two or more Luminous clocks EMCLK.
That is in the organic light-emitting display device of the relevant technologies, gate drivers 10 and luminous driving are separately provided Device 20, and the driving institute of gate clock GCLK and emission driver 20 necessary to needing the driving of gate drivers 10 is required Luminous clock EMCLK.
In this case, because gate drivers 10 and emission driver 20 should be provided separately within organic light emitting display In the non-display area of panel, so the size of the non-display area of the organic light emitting display panel of the relevant technologies increases, subtracting There is limitation in terms of the size of the non-display area of the organic light emitting display panel of small the relevant technologies.
Moreover, because the gate clock GCLK for gate drivers 10 and the Luminous clock for emission driver 20 EMCLK should be transmitted to organic light emitting display panel, so circuit becomes complicated, thus the failure rate of organic light emitting display panel Increase.
Invention content
Therefore, the present invention is intended to provide a kind of substantially overcome one caused by the limitation of the relevant technologies and shortcoming The organic light emitting display panel of a or multiple problems and the organic light-emitting display device including organic light emitting display panel.
One aspect of the present invention is intended to provide one kind and is built-in with to generate all grid signals and LED control signal Gate drivers organic light emitting display panel and organic light-emitting display device including organic light emitting display panel.
The attendant advantages and feature that will partly list the present invention in the following description, a part for these advantages and features One skilled in the art will become obvious according to following explanation or can be led by the implementation of the present invention It can arrive.These mesh of the present invention can be realized and obtained by the structure specifically noted in specification, claims and attached drawing And other advantages.
In order to realize these and other advantages and intention according to the present invention, as embodied and be broadly described herein, carry A kind of organic light emitting display panel has been supplied, including：Display area, the display area include multiple pixels of display image；With Non-display area around the outside of the display area, wherein：Each of the multiple pixel includes：Switching transistor, The switching transistor is connected to the gate line and data line being attached thereto；Driving transistor, the driving transistor are connected to Organic Light Emitting Diode and the switching transistor；With the lighting transistor for being connected to the driving transistor, gate drivers It is built in the non-display area, it is described to provide grid signal to a plurality of gate line being arranged in the display area Gate drivers include being respectively connected to multiple grades of a plurality of gate line, and n-th grade in the multiple grade includes：Upper crystal pulling Body pipe, described pull up transistor export grid impulse to the n-th gate line；Pull-down transistor, the pull-down transistor is to the n-th grid Line exports grid low signal；Selection signal generator, the selection signal generator are connected to the grid to pull up transistor With the grid of the pull-down transistor；With write-in controlling transistor, said write controlling transistor is arranged on the lower crystal pulling Between pipe and the selection signal generator, it is connected to the QB nodes for being provided QB node signals and is provided low level voltage Between low level node, and by write control signal on or off, and the QB nodes are connected to and the n-th+a grids The lighting transistor that each pixel of line connection includes, wherein n is natural number, and a is integer.
In another aspect of the present invention, a kind of organic light-emitting display device is provided, including：Organic light emitting display face Plate, the organic light emitting display panel includes a plurality of gate line, multiple data lines, multiple pixels and gate drivers, described Gate drivers are used to provide grid signal to the multiple switch transistor being respectively included in the multiple pixel；To described more Data line provides the data driver of data voltage；With the control for controlling the gate drivers and the data driver Device, wherein：The organic light emitting display panel includes：Display area, the display area include the multiple of display image Pixel；With the non-display area around the outside of the display area, each of the multiple pixel includes：Switch crystal Pipe, the switching transistor are connected to the gate line and data line being attached thereto；Driving transistor, the driving transistor connection To Organic Light Emitting Diode and the switching transistor；And lighting transistor, the lighting transistor control the organic light emission The lighting timings of diode, the gate drivers are built in the non-display area, and the grid signal includes leading Lead to the grid impulse of the switching transistor and the grid low signal for making the switching transistor cut-off, and the grid Based on for generating the QB node signals of the grid low signal provided by the n-th gate line, generation will be provided to and n-th driver The LED control signal of lighting transistor that each pixel of+a gate lines connection includes, wherein n is natural number, and a is integer.
It should be appreciated that the substantially property description of present invention front and following detailed description are all illustrative and explanatory , it is intended to provide further explanation to claimed invention.
Description of the drawings
By the attached drawing including being used for further understanding and being incorporated herein forming the application part to present invention offer Embodiments of the present invention are illustrated, and are used to explain the principle of the present invention together with specification.In the accompanying drawings：
Fig. 1 is that diagram is applied to the gate drivers of organic light emitting display panel of the relevant technologies and showing for emission driver Illustration；
Fig. 2 is the block diagram for the construction for illustrating organic light-emitting display device according to an embodiment of the present invention；
Fig. 3 is the circuit of the construction for a pixel for illustrating organic light emitting display panel according to an embodiment of the present invention Figure；
Fig. 4 is the structure for illustrating the gate drivers applied to organic light-emitting display device according to an embodiment of the present invention The exemplary plot made；
Fig. 5 is the exemplary plot of n-th grade of construction in multiple grades shown in schematic thinking 4；
Fig. 6 is the oscillogram for describing n-th grade of driving method shown in Fig. 5；
Fig. 7 is the exemplary plot of n-th grade of another construction in multiple grades shown in schematic thinking 4；And
Fig. 8 is the exemplary plot of the structure of the carry generator shown in schematic thinking 5.
Specific embodiment
It is described now with detailed reference to exemplary embodiments of the present invention, these embodiments is illustrated in attached drawing Some examples.Identical reference marker will be used throughout the drawings as much as possible and represent the same or similar part.
The following embodiments described by referring to accompanying drawing are illustrated into advantages and features of the invention and its implementation. However, the present invention can be implemented in different forms, embodiment listed here should not be construed as limited by.And it is to provide this A little embodiments are to make present disclosure fully and completely, and the scope of the present invention are fully passed to fields skill Art personnel.In addition, the present invention is only limited by the range of claims.
In this application, when adding reference marker for the element in each figure, it should be noted that element is used as far as possible It has been used for representing the Similar reference characters of similar elements in other figs..
In order to describe embodiments of the present invention and disclosed shape, size, ratio, angle and quantity is only in the accompanying drawings It is example, thus the present invention is not limited to the details of diagram.Similar reference marker represents similar element in the whole text.It is retouched in following In stating, when determining unnecessarily make the detailed description of related known function or construction emphasis of the invention smudgy, The detailed description will be omitted.In this application using " comprising ", " having " and in the case that "comprising" is described, it can be added His part, unless having used " only ".
When explaining an element, although not clearly stating, which should be interpreted that comprising error range.
When describing position relationship, for example, when the position relationship between two parts is described as " ... on ", " in ... top ", " in ... lower section " and " ... later " when, can set between these two portions it is one or more other Part, unless having used " just " or " direct ".
When describing time relationship, for example, when time sequencing is described as " ... after ", " subsequent ", " following " and " ... before " when, it may include discontinuous situation, unless having used " just " or " direct ".
Term " at least one " should be understood to arbitrary and all group that includes one or more of related Listed Items It closes.For example, the meaning of " at least one of first item, second item and third item " refers to selected from first item, second The combination and first item of all items of two or more projects in project and third item, second item or third Project.
It will be appreciated that although term " first ", " second " etc. can be used to describe various elements herein, these elements are not It should be limited by these terms.These terms are intended merely to the element that is distinguished from each other.For example, in the feelings without departing substantially from the scope of the present invention Under condition, the first element may be referred to as the second element, and similarly, the second element may be referred to as the first element.
One of ordinary skill in the art can be fully understood that, the feature of each embodiment of the present invention can a part or whole part each other Ground combines or combination, and can technically carry out various interoperability and driving each other.Embodiments of the present invention can be independent of one another Implement or with complementary relationship common implementing.
Hereinafter, embodiments of the present invention be will be described in detail with reference to the accompanying drawings.
Fig. 2 is the block diagram for the construction for illustrating organic light-emitting display device according to an embodiment of the present invention, and Fig. 3 is diagram The circuit diagram of the construction of one pixel of organic light emitting display panel according to an embodiment of the present invention.
As shown in Figures 2 and 3, organic light-emitting display device according to an embodiment of the present invention may include that organic light emission is shown Show panel 100, data driver 300 and controller 400.
First, organic light emitting display panel 100 may include a plurality of gate lines G L1 to GLg, multiple data lines DL1 to DLd, Multiple pixels 110 and gate drivers 200, gate drivers 200 are used to multiple open to be respectively included in pixel 110 It closes transistor Tsw1 and grid signal VG is provided.
Organic light emitting display panel 100 may include being provided with pixel 110 to show the display area 120 of image, Yi Jiwei Non-display area 130 around the outside of display area 120.
Each pixel 110 may include：Switching transistor Tsw1, switching transistor Tsw1 are connected to the gate line being attached thereto GL and data line DL；Driving transistor Tdr, driving transistor Tdr are connected to switching transistor Tsw1 and Organic Light Emitting Diode OLED；It is used to control the lighting timings of Organic Light Emitting Diode OLED with lighting transistor Tsw3, lighting transistor Tsw3.
Gate drivers 200 can be built in non-display area 130.Gate drivers 200 can be by forming in pixel 110 Including transistor technique and these transistors together be arranged in organic light emitting display panel 100.It is built in organic light emission Gate drivers 200 in display panel 100 can be described as panel inner grid (GIP) type gate drivers 200.
Grid signal VG may include grid impulse for switching transistor Tsw1 to be connected and for making switching transistor The grid low signal of Tsw1 cut-offs.
Gate drivers 200 can based on for generate by the n-th gate line provide grid low signal QB node signals, The LED control signal of the lighting transistor Tsw3 in the pixel for being respectively included in and being connect with the n-th+a gate lines will be provided to by generating EM, wherein n are natural numbers, and a is integer.
Pixel 110 can respectively include Organic Light Emitting Diode OLED and pixel driver PDC.
For giving a plurality of signal wire DL, EL, GL, PLA, PLB, SL and SPL that pixel driver PDC provides drive signal can It is arranged in each pixel 110.
Data voltage Vdata can be provided by data line DL, grid impulse or the low letter of grid can be provided by gate lines G L Number, the first driving power ELVDD can be provided by power cord PLA, the second driving power can be provided by driving power supply line PLB ELVSS can provide initialization voltage Vini by sense wire SL, can be provided by sensing pulse line SPL brilliant for sensing to be connected The sensing control signal SS of body pipe Tsw2, and the luminous control for driving lighting transistor Tsw3 can be provided by isolychn EL Signal EM processed.
For example, as shown in Figure 3, pixel driver PDC may include：Driving transistor Tdr, driving transistor Tdr include It is connected to the source electrode of Organic Light Emitting Diode OLED；Lighting transistor Tsw3, lighting transistor Tsw3 be connected to power cord PLA with Between driving transistor Tdr；Switching transistor Tsw1, switching transistor Tsw1 are connected to data line DL and driving transistor Tdr Grid between；And storage Cst, storage Cst be connected between second node n2 and first node n1 with Storage capacitance is generated, second node n2 is connected to the grid of driving transistor Tdr, and first node n1 is connected to driving transistor The source electrode of Tdr.Pixel driver PDC may also include the capacitor C2 between first node and power cord PLA.
Switching transistor Tsw1 can be by the grid impulse that is provided via gate lines G L conducting and can will be via data line DL The data voltage Vdata of offer is transmitted to the grid of driving transistor Tdr.That is switching transistor Tsw1 can perform basis The function of grid impulse addressing data voltage Vdata.
Sensing transistor Tsw2 is attached between sense wire SL and first node n1 and can control signal by sensing The sensing pulse conducting that SS includes, to sense the characteristic of driving transistor Tdr, first node n1 is located at driving transistor Tdr Between Organic Light Emitting Diode OLED.Sensing transistor Tsw2 can perform initialization operation.
Lighting transistor Tsw3 can be transmitted the first driving power EVDD by LED control signal EM on or off To the first driving power EVDD of driving transistor Tdr or cut-out.When lighting transistor Tsw3 is connected, electric current can be provided to driving Transistor Tdr, thus Organic Light Emitting Diode OLED can shine.Lighting transistor Tsw3 can perform compensation and lighting function.
Driving transistor Tdr can control the magnitude of current for flowing into Organic Light Emitting Diode OLED.It is connected to driving transistor Tdr Grid second node n2 may be connected to switching transistor Tsw1.
Other than the structure shown in Fig. 3, the structure of pixel driver PDC can also be achieved as various structures.
Hereinafter, the pixel driver PDC by using Fig. 3, the threshold voltage with driving transistor Tdr be will be briefly described Independently emit the method for light corresponding with data voltage Vdata from Organic Light Emitting Diode OLED.In this case, it can give Pixel driver PDC provides grid signal VG, LED control signal EM and sensing control signal SS.
Additional description is provided herein, and organic light-emitting display device according to an embodiment of the present invention is believed with light emitting control The characteristics of number EM is generated together with grid signal VG by gate drivers 200.In this case, in addition to shown in Fig. 3 Other than structure, the picture for performing above-mentioned function by using grid signal VG and LED control signal EM can be also differently realized The structure of plain driver PDC, and can differently realize the driving method of pixel driver PDC.It hereinafter, will be with reference to Fig. 3 letters The example of the driving method of pixel driver PDC is described.
First, in initialization period, lighting transistor Tsw3 can end, and switching transistor Tsw1 can be connected, and feel Surveying transistor Tsw2 can be connected.Therefore, initialization voltage Vini can be provided to first node n1 by sensing transistor Tsw2, and And reference voltage V ref can be provided to second node n2 by data line DL.For this purpose, the LED control signal EM with low value can It is provided to lighting transistor Tsw3.
Second, in sampling periods, lighting transistor Tsw3 can be connected, and sensing transistor Tsw2 can end.For this purpose, LED control signal EM with high level can be provided to lighting transistor Tsw3.In sampling periods, sensing transistor Tsw2 can Cut-off, so that first node n1 is floating, the voltage of first node n1 can increase at any time.In this case, first node n1 The voltage difference that can always increase between second node n2 and first node n1 of voltage reach the threshold value electricity of driving transistor Tdr Until pressing Vth.Therefore, reference voltage V ref and driving can be charged at the last sequential of sampling periods, in first node n1 Potential difference " Vref-Vth " between the threshold voltage vt h of transistor Tdr, and reference voltage can be charged in second node n2 Vref.Therefore, at the last sequential of sampling periods, the potential difference " Vgs=between the grid and source electrode of driving transistor Tdr Vref- (Vref-Vth) " can become the threshold voltage vt h of driving transistor Tdr.
Third is written in data in the period, and lighting transistor Tsw3 can end, and sensing transistor Tsw2 can end. For this purpose, the luminous signal EM with low value can be provided to lighting transistor Tsw3.In this case, the voltage of second node n2 Data voltage Vdata can be increased to.In addition, it is more than reference voltage V ref and threshold value that the voltage of first node n1, which can slightly increase, Potential difference " Vref-Vth " between voltage Vth.That is the voltage of first node n1 can increase to " Vref-Vth+ α ". This, α can be the constant determined based on various capacitances.In this case, the difference between second node n2 and first node n1 Voltage (that is, potential difference Vgs between the grid and source electrode of driving transistor Tdr) can be changed to " Vdata- (Vref-Vth+ α)= Vdata+Vth+K”.Here, K can be "-α-Vref ", thus K can be constant.
4th, in light-emitting period, lighting transistor Tsw3 can be connected, and sensing transistor Tsw2 can end.For this purpose, LED control signal EM with high level can be provided to lighting transistor Tsw3.In light-emitting period, first node n1 and second Node n2 can be booted by the first driving power ELVDD.However, the potential difference between second node n2 and first node n1 (drives Potential difference Vgs between the grid and source electrode of dynamic transistor Tdr) still can be " Vdata- (Vref-Vth+ α)=Vdata+Vth +K”。
The brightness of Organic Light Emitting Diode OLED can be with flowing in Organic Light Emitting Diode OLED such as equation (1) Electric current Ioled is proportional.The electric current Ioled flowed in Organic Light Emitting Diode OLED may depend on the grid of driving transistor Tdr The threshold voltage vt h of potential difference Vgs and driving transistor Tdr between pole and source electrode.That is Organic Light Emitting Diode OLED The electric current Ioled of middle flowing can be with (Vgs-Vth)2It is proportional：
Wherein μ represents the mobility of driving transistor Tdr, CGIRepresent the parasitic capacitance of driving transistor Tdr, W represents to drive The channel width of dynamic transistor Tdr, L represent the channel length of driving transistor Tdr, VgsRepresent the grid of driving transistor Tdr Potential difference between voltage and source voltage, VthRepresent the threshold voltage of driving transistor Tdr.
In light-emitting period, as described above, the potential difference between the grid voltage and source voltage of driving transistor Tdr Vgs can be changed to " Vdata+Vth+K ".
In this case, the potential difference Vgs between the grid voltage and source voltage of driving transistor Tdr and threshold value electricity Difference " Vgs-Vth " between pressure Vth can be changed to " (Vdata+Vth+K)-Vth=Vdata+K ".
In equation (1), (Vgs-Vth)2It can be changed to (Vdata+K)2。
Therefore, in equation (1), the electric current Ioled flowed in Organic Light Emitting Diode OLED can be with " Vgs-Vth= (Vdata+Vth+K)-Vth=Vdata+K's " is square proportional, because K is constant, electric current Ioled can substantially and data Voltage it is square directly proportional.
Therefore, Organic Light Emitting Diode OLED can emit light corresponding with data voltage Vdata, and and driving transistor The offset of the threshold voltage vt h of Tdr is unrelated.
As described above, the LED control signal EM with low value can be provided to lighting transistor in initialization period Tsw3, the LED control signal EM with high level can be provided to lighting transistor Tsw3 in sampling periods, when data are written The LED control signal EM in section with low value can be provided to lighting transistor Tsw3, and have high level in light-emitting period LED control signal EM can be provided to lighting transistor Tsw3.In this case, light-emitting period can occupy frame period It is most of.That is LED control signal EM can have high level during the longer period of time in a frame period.
Therefore, in organic light-emitting display device according to an embodiment of the present invention, gate drivers 200 can be configured to Output in initialization period have low value, in sampling periods have high level, data be written the period in have low value and There is the LED control signal EM of high level in light-emitting period.
By with reference to Fig. 4 to 8 be described in detail for perform above-mentioned function gate drivers 200 structure and function.
Controller 400 can be by using the clock signal provided from external system (for example, vertical synchronizing signal, level are same Walk signal and clock) it exports for controlling the grid control signal GCS of gate drivers 200 and for controlling data driver 300 data controlling signal DCS.Controller 400 can sample the inputting video data received from external system, rearrange input Digital image data Data is provided to data driver 300 by video data to generate digital image data Data.
The image data Data inputted from controller 400 can be converted to data voltage Vdata by data driver 300, and It and can will be for the data voltage of a horizontal line in each horizontal cycle that grid impulse is provided to gate lines G L Vdata is transmitted to data line DL1 to DLd.Data driver 300 can give sensing transistor Tsw2 transmission initialization voltages Vini simultaneously And data line DL can be given to provide reference voltage V ref.
Fig. 4 is the structure for illustrating the gate drivers applied to organic light-emitting display device according to an embodiment of the present invention The exemplary plot made.
As shown in Figure 4, gate drivers 200 may include that multiple grades of Stage 1 for being connected to gate lines G L1 to GLg are arrived Stage g.Gate drivers 200 can be given to provide two or more gate clocks GCLK.
Each of grade Stage 1 to Stage g can give the gate lines G L being attached thereto output grid signal VG and can To the isolychn EL output LED control signals EM being attached thereto.
For this purpose, each of gate lines G L and isolychn EL can vertically adjacent to pixel between a horizontal line in set It is set to one.Here, for example, horizontal line can represent the width direction of organic light emitting display panel 100 shown in Fig. 2, pixel 110 can be arranged on horizontal line above and below along horizontal line.
In this case, gate lines G L can be provided to from the grid signal VG and LED control signal EM of a grade output With the isolychn EL being arranged in another horizontal line.
For example, as shown in Figure 4, the grid signal VG exported from first order Stage 1 may be output to first grid polar curve, and And it may be output to 1+a isolychns from the LED control signal EM exported of first order Stage 1.Therefore, in Fig. 4, from first The grid signal that grade Stage 1 is exported can be described as first grid signal VG1, the light emitting control letter exported from first order Stage 1 Number it can be described as 1+a LED control signal EM 1+a.
Here, a can the quantity based on gate clock GCLK, the structure of the form of each gate clock GCLK and each grade and Variation.
Additional description is provided herein, it in embodiments of the present invention, can from the LED control signal EM of a grade output It is provided to the pixel different from the pixel for being provided the grid signal VG exported from this grade.
Signal necessary to the driving of first order Stage 1 can transmit or can also be from from the external of gate drivers 200 The vitual stage transmission that gate drivers 200 include.
In addition, vitual stage can be provided to from the g+a LED control signal EM g+a of g grades of Stage g outputs.G grades Signal necessary to the driving of Stage g can transmit from the outside of gate drivers 200 or can also be from gate drivers 200 What is included transmits in prime.
For this purpose, it may include one or more vitual stages in gate drivers 200.
Fig. 5 is the exemplary plot of n-th grade of construction in multiple grades shown in schematic thinking 4.Fig. 6 is for describing in Fig. 5 The oscillogram of n-th grade shown of driving method.Fig. 7 is n-th grade of another construction in multiple grades shown in schematic thinking 4 Exemplary plot.Fig. 8 is the exemplary plot of the structure of the carry generator shown in schematic thinking 5.In the following description, omit or will be simple The same or similar details of details for describing and being described above with reference to Fig. 2 to 4.
As described above, gate drivers 200 can give pixel driver PDC outputs to have low value in initialization period A1, In sampling periods B there is high level, the hair with high level with low value and in light-emitting period D is written in period C in data Optical control signal EM, to make the offset of the threshold voltage vt h of Organic Light Emitting Diode OLED and driving transistor Tdr independently Transmitting is corresponding to the light of data voltage Vdata.
For this purpose, as shown in Figure 4, gate drivers 200 may include being connected to gate lines G L1 to GLg's and isolychn EL Grade Stage 1 arrives Stage g.
In this case, as described above, from each grade output LED control signal EM can be provided to and be provided from The different pixel of pixel of the grid signal VG of arbitrary number of level output.
Hereinafter, using n-th grade of Stage n in descriptive level Stage 1 to Stage g as the example of the present invention.
In this case, n-th grade of Stage n can be based on the grid low signal that the n-th gate line is provided to for generation QB node signals generate the lighting transistor Tsw3 that be provided in the pixel for being respectively included in and being connect with the n-th+a gate lines.
Particularly, as shown in Figure 6, n-th grade of Stage n can be led in the switching transistor Tsw1 being connect with the n-th gate line In logical A period A grid impulse is exported to the n-th gate line.N-th grade of Stagen can be in a frame period in addition to A period A Period B to D in QB nodes QBnode provide high RST, with give the n-th gate line export grid low signal.In figure 6, by VG (n) the signal expression referred to is provided to the grid signal of the n-th gate line.The signal expression referred to by QB (n) is provided to QB nodes The QB node signals of QBnode.The signal expression referred to by EM n+a is provided to the n-th+a light emitting controls letter of the n-th+a isolychns Number.QB node signal QB (n) and the n-th+a LED control signal EM n+a are to provide to QB nodes QBnode or from QB nodes The identical signal of QBnode outputs.
In this case, to the n-th gate line output grid low signal period B to D among, with the n-th+a grids In the C period C of lighting transistor Tsw3 cut-offs that each pixel of line connection includes, write-in control can be connected in n-th grade of Stage n Transistor T5a processed, QB nodes QBnode to be given to provide low signal.
Therefore, in C period C, the n-th+a LED control signal EM n+a can have low value.Here, C periods C can be by The data write-in period in the pixel of n-th+a LED control signal EM n+a is provided.That is have being exported to the n-th gate line In period B to the D for having the grid low signal of low value, it can be performed in the pixel for being provided the n-th+a LED control signal EM n+a Operation corresponding with the data write-in period.
In order to export signal as described above, as shown in Figure 5, n-th grade of Stage n may include pulling up transistor T6, under Pull transistor T7, selection signal generator 210 and write-in controlling transistor T5a.In addition, n-th grade of Stage n can further comprise Switch unit 220 and carry generator 230.
First, the T6 that pulls up transistor can export the n-th grid impulse to the n-th gate line.
When high RST from selection signal generator 210 or switch unit 220 be provided to and pull up transistor T6 grid connect During the Q node Qnode connect, the T6 that pulls up transistor can generate the n-th grid impulse, and the n-th grid impulse can from clock S (CLKS) It exports to the n-th gate line.Therefore, the switching transistor Tsw1 that each pixel being connect with the n-th gate line includes can be connected, because And Organic Light Emitting Diode OLED can shine.
Export among the A period A of the n-th grid impulse, adjacent with B period B period (that is, A1 period A1) can be by The initialization period of the pixel of n-th+a LED control signal EM n+a is provided.
Second, pull-down transistor T7 can give the n-th gate line to export the n-th grid low signal.It exports to the n-th of the n-th gate line The adopted name of grid impulse and the n-th grid low signal can be the n-th grid signal VGn.
Connect when high RST is provided to from selection signal generator 210 or switch unit 220 with the grid of pull-down transistor T7 During the QB node QBnode connect, pull-down transistor T7 can generate the n-th grid low signal, and the n-th grid from low level voltage VSSB Extremely low signal may be output to the n-th gate line.
In this case, the switching transistor Tsw1 that each pixel being connect with the n-th gate line includes can end.
Exporting period B to the D of the n-th grid low signal may include being provided the pixel of the n-th+a LED control signal EM n+a Sampling periods B, data write-in period C and light-emitting period D.
Third, selection signal generator 210 may be connected to the grid for the T6 that pulls up transistor and the grid of pull-down transistor T7.
Selection signal generator 210 can be given in the A period A for exporting the n-th grid impulse by using driving voltage VD Pull up transistor the Q nodes Qnode output high RSTs that the grid of T6 connects.In this case, selection signal generator 210 can The QB nodes QBnode that the grid connection of pull-down transistor T7 is given by using phase inverter I exports low signal.
In period B to the D for exporting the n-th grid low signal, it is low that selection signal generator 210 can give Q nodes Qnode to export Signal and can give QB nodes QBnode export high RST.
For this purpose, selection signal generator 210 may be connected to driving voltage VD and low level voltage VSSA or VSSB.It is exactly It says, other than the structure shown in Fig. 5, selection signal generator 210 can also be according to for performing the various of above-mentioned function Structure is configured.
4th, write-in controlling transistor T5a may be provided between pull-down transistor T7 and selection signal generator 210, and And it is attached to the QB nodes QBnode for being provided QB node signal QB (n) and the low level section for being provided low level voltage VSSA Between point nL.QB node signal QB (n) represent the signal for generating the grid low signal for being provided to the n-th gate line.QB nodes Signal QB (n) can be provided to the n-th+a isolychns by QB nodes QBnode.
Write-in controlling transistor T5a can pass through write control signal Vinp n+a on or off.Write control signal Carry generator 230 (it connect with input clock CLKI) that Vinp n+a can include from the n-th+a grades provides or can be from another Level-one provides.Write control signal Vinp n+a can be one of gate clock GCLK.That is in Figure 5, it is provided to write-in The write control signal of controlling transistor T5a is referred to by Vinp n+a, but as described above, instead of the n-th+a grades, write control signal It can be provided from another grade of carry generator 230.Write control signal can be one of gate clock GCLK.
When write control signal is provided as high RST, write-in controlling transistor T5a can be connected.In this case, It is provided to the high RST of QB nodes QBnode and can be discharged to by the way that controlling transistor T5a is written and be provided low level voltage VSSA's Terminal.Therefore, as shown in Figure 6, QB node signal QB (n) can be low signal.
As shown in Figure 6, the write control signal with high level and thus QB node signal of the output with low value are provided The period of QB (n) may correspond to C period C.As described above, C periods C can be provided the n-th+a LED control signal EM n+a Pixel data write-in the period.
Additional description is provided herein, QB nodes QBnode can be given to provide low signal in A period A, it, can after A period A High RST is provided to QB nodes QBnode.The period that high RST is provided to QB nodes QBnode can be B period B, and B period B can To be the sampling periods for the pixel for being provided the n-th+a LED control signal EM n+a.
It is provided when in the time that high RST is provided to QB nodes QBnode to write-in controlling transistor T5a with high RST During write control signal, as described above, write-in controlling transistor T5a can be connected, the high RST for being provided to QB nodes QBnode can It is forcibly discharged by the way that controlling transistor T5a is written.Therefore, as shown in Figure 6, QB node signal QB (n) can be low signal.
QB nodes QBnode may be connected to the lighting transistor that each pixel being connect with the n-th+a gate lines includes.Cause This, the LED control signal exported from QB nodes QBnode can become the n-th+a LED control signal EM n+a.
5th, switch unit 220 is attached to Q node Qnode, QB nodes QBnode, is provided and compares low level voltage Between the high level node nH of the high level voltage VDD of VSSA high and low level node nL, Q nodes Qnode is located at selection signal Between generator 210 and the T6 that pulls up transistor.
When providing low signal to Q nodes Qnode, switch unit 220 can give QB nodes QBnode to transmit high RST.
Additional description, in the period (that is, B periods, C periods and D periods) after the A periods, switch unit are provided herein 220 can provide high voltage by using high level voltage VDD to QB nodes QBnode.Therefore, high RST can be provided to QB nodes QBnode。
However, because switch unit 220 is connected to low level node nL, in C period C, passed from switch unit 220 Defeated high voltage can be discharged by the way that controlling transistor T5a is written.In this case, because QB nodes QBnode is also by writing Enter controlling transistor T5a and be connected to low level node nL, so low signal can be provided to QB nodes QBnode.
For this purpose, as shown in Figure 5, switch unit 220 is configurable, and there are three transistor T41, T4q and T4.
In this case, in A period A, high level voltage VDD can be by being provided to the high RST of Q nodes Qnode Conducting the 41st transistor T41 and 4q transistors T4q and be provided to low level node nL.In addition, 4q transistors T4q can be It provides in the B period B and D period D of low signal and ends to Q nodes Qnode, only the 41st transistor T41 and the 4th transistor T4 It can be connected.Therefore, high level voltage VDD can be provided to QB nodes QBnode by the 4th transistor T4.However, in addition in Fig. 5 Other than shown structure, switch unit 220 can also be configured according to various structures.
For example, as shown in Figure 7, switch unit 220 can further comprise the height electricity for that will be provided to switch unit 220 Ordinary telegram pressure VDD is induced to initiation transistor (induction transistor) T4a of low level node nL.In C period C, High level voltage VDD can be discharged to low level node nL by the 41st transistor T41 and initiation transistor T4a.Therefore, in C In period C, low signal can be provided to QB nodes QBnode.In this case, capacitor may be provided at the 4th transistor T4's Between grid and QB nodes QBnode.In C period C, when low signal is provided to QB node QBnode, capacitor can make the 4th Transistor T4 ends, so that high level voltage VDD is not provided to QB nodes QBnode.In addition, in B period B and D period D, when When high RST is provided to QB node QBnode, the 4th transistor T4 can be connected in capacitor, so that high level voltage VDD is provided to QB Node QBnode.In addition, in A period A, when low signal is provided to QB node QBnode, capacitor can make the 4th transistor T4 ends, so that high level voltage VDD is not provided to QB nodes QBnode.
Causing transistor T4a can simultaneously turn on write-in controlling transistor T5a, thus can give and cause transistor T4a and write Enter controlling transistor T5a and identical write control signal is provided.
Additional description is provided herein, and high level can be made in A period A by not including causing the switch unit 220 of transistor T4a Voltage VDD is not provided to QB node QBnode, and in other periods (that is, B period B, C periods C and D period D), high level Voltage VDD can be provided to QB nodes QBnode.In this case, in C period C, even if high level voltage VDD is provided to QB Node QBnode, high level voltage VDD can be still discharged by the way that controlling transistor T5a is written, thus cannot substantially be saved to QB Point QBnode provides low signal.
When switch unit 220 includes causing transistor T4a, high level voltage VDD can pass through the 41st in C period C Transistor T41 and initiation transistor T4a are discharged, thus high level voltage VDD can not be provided to QB by the 4th transistor T4 Node QBnode.Particularly because the 4th transistor T4 is ended by capacitor, so high level voltage VDD can not pass through Four transistor T4 are provided to QB nodes QBnode.
Additional description is provided herein, when being not provided with causing transistor T4a and capacitor, in C period C, high level electricity Then pressure VDD, which can apply to QB nodes QBnode, to be discharged, thus low signal can be provided to QB nodes QBnode.However, when setting When putting initiation transistor T4a and capacitor, in C period C, the height electricity of QB nodes QBnode can be provided to from fundamentally cut-out Ordinary telegram presses VDD.
Particularly, in embodiments of the present invention, compared with other transistors that grade shown in Fig. 7 includes, the 4th Transistor T4 and write-in controlling transistor T5a can be configured to size as big as possible.
For example, it can be used as sending out by the high voltage of the 4th transistor T4 and the low-voltage based on write-in controlling transistor T5a Optical control signal EM n+a, thus, in order to quickly utilize high voltage or low-voltage that isolychn charges, the 4th transistor T4 and write The capacity of each for entering controlling transistor T5a can be larger.Therefore, compared with other transistors, the 4th transistor T4 and write-in Controlling transistor T5a can be configured to size as big as possible.
Additional description, other than the function that QB nodes QBnode is charged using high voltage, the 4th crystal are provided herein Pipe T4, which can also carry out using high voltage, to charge isolychn EM the function of lighting transistor Tsw3 is connected.Accordingly, it is considered to hair The load of light EM, the 4th transistor T4 can be configured to in the emission driver for being equal to or more than be applied to the relevant technologies , output with high level LED control signal transistor size size.
In addition, other than the function that QB nodes QBnode discharges, write-in controlling transistor T5a, which can also carry out, to shine Line EM is filled with low-voltage so that the function of lighting transistor Tsw3 cut-offs.Accordingly, it is considered to the load of isolychn EM, write-in control Transistor T5a can be configured to in the emission driver for being equal to or more than be applied to the relevant technologies, output with low level LED control signal transistor size size.
For example, in grade shown in Fig. 5, the 4th transistor T4 can be configured to have with write-in controlling transistor T5a to be equal to Or more than being provided the transistor of initial signal VST, the 41st transistor T41,4q transistors T4q and be provided reset letter The size of the size of each of the transistor of number VRST.
In this case, the 6th transistor T6 of grid impulse and the 7th transistor T7 of output grid low signal are exported It can be configured to a certain size, thus the 4th transistor T4 and write-in controlling transistor T5a can be configured to being equal to or greatly In the ruler of the size of each of the 7th transistor T7 of the 6th transistor T6 and output grid low signal of output grid impulse It is very little.
6th, carry generator 230 can generate writing for the n-th-a grades of write-in controlling transistor T5a included of control Enter to control signal.
For example, the carry signal Vinpn exported from carry generator 230, which can become, is used for what the n-th-a grades of control included The write control signal of controlling transistor T5a is written.
Carry generator 230 can generate the carry signal referred to by the Vinp n+a in Fig. 6.Carry letter shown in Fig. 6 Number Vinp n+a can be that n-th grade of carry signal is provided to from the n-th+a grades, as described above, carry signal can be used as write-in control Signal processed.
However, carry signal does not need to have the form shown in Fig. 6.Carry signal can be configured at least in C period C With high level.
Therefore, carry signal can be configured to various forms, thus carry generator 230 also can be changed to various structures.
That is carry generator 230 is configurable for generating the various types of above-mentioned carry signal Vinpn.
For example, as shown in Figure 8, carry generator 230 is configurable, and there are two transistor T6cr and T7cr and electricity Container C6cr.In carry generator 230 shown in Fig. 8,6cr transistors T6cr is attached to the terminal of input clock CLK1 Between the terminal of output carry signal Vinpn, the grid of 6cr transistors T6cr may be connected to Q nodes Qnode.7cr is brilliant Body pipe T7cr is attached between the terminal of low level node nL and output carry signal Vinpn, the grid of 7cr transistors T7cr Pole may be connected to QB nodes QBnode.Capacitor C6cr be connected to Q nodes Qnode and output carry signal Vinpn terminal it Between.The exportable carry signal at least in C period C with high level of carry generator 230 shown in fig. 8.
Other than carry generator 230 shown in fig. 8, various types of carry generators 230 can also be applied to this Invention.
As described above, even if without emission driver, LED control signal can be also generated.Therefore, it is arranged on organic light emission Circuit in the non-display area of display panel is simplified, thus reduces the width of the non-display area of organic light emitting display panel Degree.
In the case of without departing substantially from the spirit or scope of the present invention, it can carry out various modifications and change in the present invention, This is obvious to a person skilled in the art.Thus, the present invention is directed to cover to fall into the appended claims Modifications of the present invention and variation in range and its equivalency range.

Claims (15)

1. a kind of organic light emitting display panel, including：
Display area, the display area include multiple pixels of display image；With
Non-display area around the outside of the display area,
Wherein：
Each of the multiple pixel includes：Switching transistor, the switching transistor are connected to the gate line being attached thereto And data line；Driving transistor, the driving transistor are connected to Organic Light Emitting Diode and the switching transistor；And connection The extremely lighting transistor of the driving transistor,
Gate drivers are built in the non-display area, to be provided to a plurality of gate line being arranged in the display area Grid signal,
The gate drivers include being respectively connected to multiple grades of a plurality of gate line,
N-th grade in the multiple grade includes：
It pulls up transistor, described pull up transistor exports grid impulse to the n-th gate line；
Pull-down transistor, the pull-down transistor export grid low signal to the n-th gate line；
Selection signal generator, the selection signal generator are connected to the grid to pull up transistor and the lower crystal pulling The grid of pipe；With
Controlling transistor is written, said write controlling transistor is arranged on the pull-down transistor and the selection signal generator Between, it is connected between the low level node for being provided the QB nodes of QB node signals and being provided low level voltage, and lead to Write control signal on or off is crossed, and
The QB nodes are connected to the lighting transistor that each pixel being connect with the n-th+a gate lines includes,
Wherein n is natural number, and a is less than the natural number of n.
2. organic light emitting display panel according to claim 1, wherein：
N-th grade further includes switch unit, and the switch unit is connected to Q nodes, the QB nodes, is provided than the low level Between the high level node of the high high level voltage of voltage and the low level node, the Q nodes, which are located at the selection, to be believed Number generator and it is described pull up transistor between, and
When providing low signal to the Q nodes, the switch unit is to the QB node-node transmissions high RST.
3. organic light emitting display panel according to claim 2, wherein the switch unit includes causing transistor, it is described Cause transistor and the high level voltage for being provided to the switch unit is induced to the low level node.
4. organic light emitting display panel according to claim 1, wherein n-th grade further includes carry generator, the carry Generator is connected to the n-th-a grades of write-in controlling transistor included, and the n-th-a grades of write-in control included is controlled to generate The write control signal of transistor processed.
5. organic light emitting display panel according to claim 1, wherein：
The lighting transistor controls the lighting timings of the Organic Light Emitting Diode,
The grid signal is including the grid impulse for the switching transistor to be connected and for cutting the switching transistor Grid low signal only, and
The gate drivers are generated based on for generating the QB node signals of the grid low signal provided by the n-th gate line It is provided to the LED control signal of lighting transistor that each pixel being connect with the n-th+a gate lines includes.
6. organic light emitting display panel according to claim 4, wherein the carry generator includes the first transistor, the Two-transistor and a capacitor, the first transistor are connected to the terminal of input clock and the terminal of output carry signal Between, the grid of the first transistor is connected to Q nodes, the second transistor be connected to the low level node with it is described Between the terminal of output carry signal, the grid of the second transistor is connected to the QB nodes, wherein the Q nodes are located at The selection signal generator and it is described pull up transistor between, the capacitor be connected to the Q nodes with it is described export into Between the terminal of position signal.
7. organic light emitting display panel according to claim 6, wherein carry generator output is at least write in data Enter to have in the period carry signal of high level, lighting transistor is provided with low value described in the data write-in period LED control signal.
8. a kind of organic light-emitting display device, including：
Organic light emitting display panel, the organic light emitting display panel include a plurality of gate line, multiple data lines, multiple pixels, And gate drivers, the gate drivers are used to carry to the multiple switch transistor being respectively included in the multiple pixel For grid signal；
The data driver of data voltage is provided to the multiple data lines；With
The controller of the gate drivers and the data driver is controlled,
Wherein：
The organic light emitting display panel includes：Display area, the display area include the multiple pixel of display image； With the non-display area around the outside of the display area,
Each of the multiple pixel includes：Switching transistor, the switching transistor are connected to the gate line being attached thereto And data line；Driving transistor, the driving transistor are connected to Organic Light Emitting Diode and the switching transistor；With shine Transistor, the lighting transistor control the lighting timings of the Organic Light Emitting Diode,
The gate drivers are built in the non-display area,
The grid signal is including the grid impulse for the switching transistor to be connected and for cutting the switching transistor Grid low signal only, and
The gate drivers are generated based on for generating the QB node signals of the grid low signal provided by the n-th gate line The LED control signal of lighting transistor that each pixel being connect with the n-th+a gate lines includes is provided to,
Wherein n is natural number, and a is integer.
9. organic light-emitting display device according to claim 8, wherein：
The gate drivers include being respectively connected to multiple grades of a plurality of gate line,
N-th grade in the multiple grade includes：
It pulls up transistor, described pull up transistor exports grid impulse to the n-th gate line；
Pull-down transistor, the pull-down transistor export grid low signal to the n-th gate line；
Selection signal generator, the selection signal generator are connected to the grid to pull up transistor and the lower crystal pulling The grid of pipe；With
Controlling transistor is written, said write controlling transistor is arranged on the pull-down transistor and the selection signal generator Between, it is connected between the low level node for being provided the QB nodes of the QB node signals and being provided low level voltage, and And by write control signal on or off, and
The QB nodes are connected to the lighting transistor that each pixel being connect with the n-th+a gate lines includes.
10. organic light-emitting display device according to claim 9, wherein：
In the first time of switching transistor conducting for being connected to the n-th gate line, n-th grade exports the grid to the n-th gate line Pulse, and in other periods in addition to the first time in a frame period, n-th grade provides to the QB nodes High RST, to export the grid low signal to the n-th gate line, and
In each pixel among the period of the grid low signal is exported to the n-th gate line, being connect with the n-th+a gate lines Including lighting transistor cut-off the write-in period in, n-th grade conducting said write controlling transistor, to be carried to the QB nodes For low signal.
11. organic light-emitting display device according to claim 9, wherein：
N-th grade further includes switch unit, and the switch unit is connected to Q nodes, the QB nodes, is provided than the low level Between the high level node of the high high level voltage of voltage and the low level node, the Q nodes are located at the selection signal Generator and it is described pull up transistor between, and
When providing low signal to the Q nodes, the switch unit is to the QB node-node transmissions high RST.
12. organic light-emitting display device according to claim 9, wherein the switch unit includes causing transistor, institute It states initiation transistor and the high level voltage for being provided to the switch unit is induced to the low level node.
13. organic light-emitting display device according to claim 9, wherein n-th grade further includes carry generator, the carry Generator generates to control the n-th-a grades of write control signal of write-in controlling transistor included.
14. organic light-emitting display device according to claim 13, wherein the carry generator include the first transistor, Second transistor and a capacitor, the first transistor are connected to the terminal of input clock and the end of output carry signal Between son, the grid of the first transistor is connected to Q nodes, and the second transistor is connected to the low level node and institute Between the terminal for stating output carry signal, the grid of the second transistor is connected to the QB nodes, wherein the Q nodes position In the selection signal generator and it is described pull up transistor between, the capacitor is connected to the Q nodes and the output Between the terminal of carry signal.
15. organic light-emitting display device according to claim 14, wherein carry generator output is at least in data Being written in the period has the carry signal of high level, and lighting transistor is provided with low value described in the data write-in period LED control signal.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112785969A (en) * 2019-11-11 2021-05-11 乐金显示有限公司 Electroluminescent display panel with light emitting drive circuit
CN113035131A (en) * 2019-12-24 2021-06-25 乐金显示有限公司 Organic light emitting display device
CN114648960A (en) * 2020-12-17 2022-06-21 乐金显示有限公司 Display device and gate drive circuit
CN114724496A (en) * 2020-12-18 2022-07-08 乐金显示有限公司 Light emitting display device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200013923A (en) 2018-07-31 2020-02-10 엘지디스플레이 주식회사 Gate driver and electroluminescence display device using the same
CN111326558B (en) * 2020-02-27 2023-11-28 合肥京东方卓印科技有限公司 Display panel and electronic device
KR20230051390A (en) 2021-10-08 2023-04-18 삼성디스플레이 주식회사 Display apparatus

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1855200A (en) * 2005-04-28 2006-11-01 三星Sdi株式会社 Scan driver, organic light emitting display using the same, and method of driving the organic light emitting display
CN101488319A (en) * 2008-01-18 2009-07-22 三星移动显示器株式会社 Organic light emitting display and driving method thereof
CN102201194A (en) * 2011-04-28 2011-09-28 友达光电股份有限公司 Shift register circuit
US20130321376A1 (en) * 2012-06-01 2013-12-05 Yong-Jae Kim Pixel and organic light emitting display device using the same
CN104392704A (en) * 2014-12-15 2015-03-04 合肥京东方光电科技有限公司 Shifting register unit and driving method thereof, shifting register and display device
KR20160053191A (en) * 2014-10-31 2016-05-13 엘지디스플레이 주식회사 Gate Driver Of Display Device
CN105632410A (en) * 2016-03-15 2016-06-01 上海天马有机发光显示技术有限公司 Shift register, gate driving circuit, display panel and driving method
CN105931672A (en) * 2015-02-27 2016-09-07 乐金显示有限公司 Shift register
WO2016148759A1 (en) * 2015-03-16 2016-09-22 Apple Inc. Organic light-emitting diode display with pulse-width-modulated brightness control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101048919B1 (en) * 2010-02-17 2011-07-12 삼성모바일디스플레이주식회사 Organic light emitting display device
CN105632446B (en) * 2016-03-30 2019-10-18 京东方科技集团股份有限公司 GOA unit and its driving method, GOA circuit, display device
CN105679229A (en) * 2016-04-20 2016-06-15 京东方科技集团股份有限公司 Shifting register unit, driving method, grid electrode driving circuit and display device
KR102555297B1 (en) * 2016-04-29 2023-07-13 엘지디스플레이 주식회사 Gate Driver And Organic Light Emitting Diode Display Device Including The Same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1855200A (en) * 2005-04-28 2006-11-01 三星Sdi株式会社 Scan driver, organic light emitting display using the same, and method of driving the organic light emitting display
CN101488319A (en) * 2008-01-18 2009-07-22 三星移动显示器株式会社 Organic light emitting display and driving method thereof
CN102201194A (en) * 2011-04-28 2011-09-28 友达光电股份有限公司 Shift register circuit
US20130321376A1 (en) * 2012-06-01 2013-12-05 Yong-Jae Kim Pixel and organic light emitting display device using the same
KR20160053191A (en) * 2014-10-31 2016-05-13 엘지디스플레이 주식회사 Gate Driver Of Display Device
CN104392704A (en) * 2014-12-15 2015-03-04 合肥京东方光电科技有限公司 Shifting register unit and driving method thereof, shifting register and display device
CN105931672A (en) * 2015-02-27 2016-09-07 乐金显示有限公司 Shift register
WO2016148759A1 (en) * 2015-03-16 2016-09-22 Apple Inc. Organic light-emitting diode display with pulse-width-modulated brightness control
CN105632410A (en) * 2016-03-15 2016-06-01 上海天马有机发光显示技术有限公司 Shift register, gate driving circuit, display panel and driving method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112785969A (en) * 2019-11-11 2021-05-11 乐金显示有限公司 Electroluminescent display panel with light emitting drive circuit
CN113035131A (en) * 2019-12-24 2021-06-25 乐金显示有限公司 Organic light emitting display device
US11974489B2 (en) 2019-12-24 2024-04-30 Lg Display Co., Ltd. Organic light emitting display apparatus
CN114648960A (en) * 2020-12-17 2022-06-21 乐金显示有限公司 Display device and gate drive circuit
CN114724496A (en) * 2020-12-18 2022-07-08 乐金显示有限公司 Light emitting display device

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